a)Jenga Limited is considering undertaking a project which requires the following resources:

Activity

Preceding Activity

Normal time(days)

Crash time(days)

Total cost (Sh.000)

A

-

7

5

7,500

B

-

6

3

6,000

C

-

2

2

2,500

D

A

5

4

6,000

E

B

5

4

7,000

F

E

6

2

8,000

G

E

7

6

6,000

H

C

6

5

7,200

I

H

8

5

9,800

J

D

4

4

3,500

K

J

6

5

3,600

L

F

3

2

7,000

M

G,I

8

4

9,200

N

K,L,M

4

2

7,700

The overheads costs of the project amount to Sh.500 per day while the cost of crashing an activity per day is sh. 1,000.

Required:

i)A network diagram for the project.(6 marks)

ii)The project's normal completion time, normal cost and critical path of the project.(4 marks)

iii)The minimum time in which the project could be completed and the cost of the project.(6 marks)